The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2002
Filed:
Jan. 12, 2000
Alexander Weiss, Mönchengladbach, DE;
Marta Garcia, Santander, ES;
Stefan Richter, Hickory, NC (US);
Alcatel, Paris, FR;
Abstract
An optical cable for routing in sewers, with a cable core and a metallic cladding ( ) encircling the cable core in which the cable core is composed of several stranding elements ( ) which have a sheath ( ) in which several optical waveguides ( ) are accommodated, wherein each stranding element ( ) comprises a bundle of plural optical waveguides ( ) running parallel to each other and unstranded or stranded with large pitch, each bundle is encircled by a sheath ( ) which fits closely around the bundle, and plural such stranding elements ( ) are stranded to the cable core with the cable core being built up exclusively from such bundles.